https://ntp.niehs.nih.gov/go/16606

TDMS Study 89010-01 Pathology Tables

NTP                                    STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS                          REPORT: PEIRPT10     
LAB: Southern Research Inst                   PESTICIDE/FERTILIZER CONTAMINATION--MIXTURE 3                    DATE: 10/18/04       
EXPERIMENT: 89010 TEST: 01                                                                                     TIME: 10:34:38       
TEST TYPE:  SUBCHRON 26-WEEK                                                                                   PAGE:       1        
CONT: NO1-ES-95275                              ROUTE: DOSED WATER                                             NTP C#: C89010       
PATHOLOGIST: D.R. FARNELL                                                                                      CAS: PESTFERTMIX3    
------------------------------------------------------------------------------------------------------------------------------------
               REASONS FOR REMOVAL:    ALL                                                                                          
               REMOVAL DATE RANGE:     ALL                                                                                          
               TREATMENT GROUPS:       INCLUDE ALL                                                                                  
NTP                                    STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS                          REPORT: PEIRPT10     
LAB: Southern Research Inst                   PESTICIDE/FERTILIZER CONTAMINATION--MIXTURE 3                    DATE: 10/18/04       
EXPERIMENT: 89010 TEST: 01                                                                                     TIME: 10:34:38       
TEST TYPE:  SUBCHRON 26-WEEK                                                                                                        
CONT: NO1-ES-95275                              ROUTE: DOSED WATER                                             NTP C#: C89010       
PATHOLOGIST: D.R. FARNELL                                                                                      CAS: PESTFERTMIX3    
SUMMARY OF STATISTICALLY SIGNIFICANT (P<=.05) RESULTS                                                                               
IN THE ANALYSIS OF      PESTICIDE/FERTILIZER CONTAMINATION--M                                                                       
===============================================================                                                                     
Male Rats                                                                                                                           
------------                                                                                                                        
Organ                                 Morphology                                                                                    
-----                                 ----------                                                                                    
Pituitary Gland                        Cyst                                                                                         
Pituitary Gland: Pars Distalis         Hyperplasia Focal                                                                            
===============================================================                                                                     
Female Rats                                                                                                                         
------------                                                                                                                        
Organ                                  Morphology                                                                                   
-----                                  ----------                                                                                   
Adrenal Cortex                         Accessory Adrenal Cortical Nodule                                                            
===============================================================                                                                     
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 1       
Statistical Analysis of Non-neoplastic Lesions in        Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M           
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Adrenal Cortex                                                                                                                   | 
|     Accessory Adrenal Cortical Nodule                                                                                           | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/20 (0%)        1/20 (5%)        0/20 (0%)        0/20 (0%)        0/20 (0%)                        | 
|POLY-3 RATE (b)    |        0/11.27          1/12.14          0/11.27          0/11.27          0/11.27                          | 
|POLY-3 PERCENT (g) |        0.0%             8.2%             0.0%             0.0%             0.0%                             | 
|INT SACRIFICE 1 (c)|        0/10 (0%)        1/10 (10%)       0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|FIRST INCIDENCE    |        ---              92 (I)           ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.721N         P=0.500          (e)              (e)              (e)                              | 
|POLY 3             |        P=0.712N         P=0.515          (e)              (e)              (e)                              | 
|POLY 1.5           |        P=0.716N         P=0.509          (e)              (e)              (e)                              | 
|POLY 6             |        P=0.710N         P=0.519          (e)              (e)              (e)                              | 
|LOGISTIC REGRESSION|        P=0.723N         (e)              (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        P=0.722N         P=0.500          (e)              (e)              (e)                              | 
|ORDER RESTRICTED   |        P=0.388N         (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Adrenal Cortex                                                                                                                   | 
|     Accessory Adrenal Cortical Nodule                                                                                           | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        2/20 (10%)       0/20 (0%)        0/20 (0%)        0/20 (0%)        0/20 (0%)                        | 
|POLY-3 RATE (b)    |        2/13.02          0/11.27          0/11.27          0/11.27          0/11.27                          | 
|POLY-3 PERCENT (g) |        15.4%            0.0%             0.0%             0.0%             0.0%                             | 
|INT SACRIFICE 1 (c)|        2/10 (20%)       0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|FIRST INCIDENCE    |        92 (I)           ---              ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.504N         P=0.234N         P=0.234N         P=0.234N         P=0.234N                         | 
|POLY 3             |        P=0.477N         P=0.264N         P=0.264N         P=0.264N         P=0.264N                         | 
|POLY 1.5           |        P=0.487N         P=0.251N         P=0.251N         P=0.251N         P=0.251N                         | 
|POLY 6             |        P=0.471N         P=0.272N         P=0.272N         P=0.272N         P=0.272N                         | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        P=0.504N         P=0.244N         P=0.244N         P=0.244N         P=0.244N                         | 
|ORDER RESTRICTED   |        P=0.022N*        (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 2       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Heart: Artery                                                                                                                    | 
|     Inflammation Chronic                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        1/20 (5%)        0/20 (0%)        0/20 (0%)        0/20 (0%)        2/20 (10%)                       | 
|POLY-3 RATE (b)    |        1/12.14          0/11.27          0/11.27          0/11.27          2/12.14                          | 
|POLY-3 PERCENT (g) |        8.2%             0.0%             0.0%             0.0%             16.5%                            | 
|INT SACRIFICE 1 (c)|        1/10 (10%)       0/10 (0%)        0/10 (0%)        0/10 (0%)        1/10 (10%)                       | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        1/10 (10%)                       | 
|FIRST INCIDENCE    |        92 (I)           ---              ---              ---              92 (I)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.094          P=0.500N         P=0.500N         P=0.500N         P=0.500                          | 
|POLY 3             |        P=0.098          P=0.515N         P=0.515N         P=0.515N         P=0.500                          | 
|POLY 1.5           |        P=0.095          P=0.509N         P=0.509N         P=0.509N         P=0.500                          | 
|POLY 6             |        P=0.101          P=0.519N         P=0.519N         P=0.519N         P=0.500                          | 
|LOGISTIC REGRESSION|        P=0.092          (e)              (e)              (e)              P=0.500                          | 
|COCH-ARM / FISHERS |        P=0.093          P=0.500N         P=0.500N         P=0.500N         P=0.500                          | 
|ORDER RESTRICTED   |        P=0.077          (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Heart: Artery                                                                                                                    | 
|     Inflammation Chronic                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/20 (0%)        0/20 (0%)        0/20 (0%)        0/20 (0%)        0/20 (0%)                        | 
|POLY-3 RATE (b)    |        0/11.27          0/11.27          0/11.27          0/11.27          0/11.27                          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%                             | 
|INT SACRIFICE 1 (c)|        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 3             |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 6             |        (e)              (e)              (e)              (e)              (e)                              | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        (e)              (e)              (e)              (e)              (e)                              | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 3       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Intestine Large, Rectum                                                                                                          | 
|     Parasite Metazoan                                                                                                           | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        3/20 (15%)       1/20 (5%)        3/20 (15%)       1/20 (5%)        0/20 (0%)                        | 
|POLY-3 RATE (b)    |        3/12.14          1/11.27          3/13.02          1/12.14          0/11.27                          | 
|POLY-3 PERCENT (g) |        24.7%            8.9%             23.1%            8.2%             0.0%                             | 
|INT SACRIFICE 1 (c)|        1/10 (10%)       0/10 (0%)        2/10 (20%)       1/10 (10%)       0/10 (0%)                        | 
|TERMINAL (d)       |        2/10 (20%)       1/10 (10%)       1/10 (10%)       0/10 (0%)        0/10 (0%)                        | 
|FIRST INCIDENCE    |        92 (I)           183 (T)          92 (I)           92 (I)           ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.132N         P=0.301N         P=0.667          P=0.304N         P=0.120N                         | 
|POLY 3             |        P=0.133N         P=0.321N         P=0.643N         P=0.293N         P=0.116N                         | 
|POLY 1.5           |        P=0.130N         P=0.312N         P=0.653N         P=0.295N         P=0.113N                         | 
|POLY 6             |        P=0.136N         P=0.327N         P=0.635N         P=0.292N         P=0.119N                         | 
|LOGISTIC REGRESSION|        P=0.129N         P=0.296N         P=0.671N         P=0.299N         P=0.114N                         | 
|COCH-ARM / FISHERS |        P=0.129N         P=0.302N         P=0.669N         P=0.302N         P=0.115N                         | 
|ORDER RESTRICTED   |        P=0.060N         (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Intestine Large, Rectum                                                                                                          | 
|     Parasite Metazoan                                                                                                           | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        2/20 (10%)       2/20 (10%)       3/19 (16%)       2/20 (10%)       1/20 (5%)                        | 
|POLY-3 RATE (b)    |        2/11.27          2/11.27          3/12.89          2/11.27          1/12.14                          | 
|POLY-3 PERCENT (g) |        17.8%            17.8%            23.3%            17.8%            8.2%                             | 
|INT SACRIFICE 1 (c)|        0/10 (0%)        0/10 (0%)        2/9 (22.2%)      0/10 (0%)        1/10 (10%)                       | 
|TERMINAL (d)       |        2/10 (20%)       2/10 (20%)       1/10 (10%)       2/10 (20%)       0/10 (0%)                        | 
|FIRST INCIDENCE    |        183 (T)          183 (T)          92 (I)           183 (T)          92 (I)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.319N         P=0.707          P=0.480          P=0.707          P=0.500N                         | 
|POLY 3             |        P=0.293N         P=0.706          P=0.566          P=0.706          P=0.473N                         | 
|POLY 1.5           |        P=0.301N         P=0.704          P=0.532          P=0.704          P=0.483N                         | 
|POLY 6             |        P=0.290N         P=0.707          P=0.586          P=0.707          P=0.466N                         | 
|LOGISTIC REGRESSION|        P=0.317N         P=0.707          P=0.480          P=0.707          P=0.500N                         | 
|COCH-ARM / FISHERS |        P=0.316N         P=0.698N         P=0.475          P=0.698N         P=0.500N                         | 
|ORDER RESTRICTED   |        P=0.405N         (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 4       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Liver                                                                                                                            | 
|     Hepatodiaphragmatic Nodule                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/20 (0%)        0/20 (0%)        1/20 (5%)        2/20 (10%)       2/20 (10%)                       | 
|POLY-3 RATE (b)    |        0/11.27          0/11.27          1/11.27          2/13.02          2/12.14                          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             8.9%             15.4%            16.5%                            | 
|INT SACRIFICE 1 (c)|        0/10 (0%)        0/10 (0%)        0/10 (0%)        2/10 (20%)       1/10 (10%)                       | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        1/10 (10%)       0/10 (0%)        1/10 (10%)                       | 
|FIRST INCIDENCE    |        ---              ---              183 (T)          92 (I)           92 (I)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.225          (e)              P=0.500          P=0.234          P=0.240                          | 
|POLY 3             |        P=0.248          (e)              P=0.500          P=0.264          P=0.246                          | 
|POLY 1.5           |        P=0.238          (e)              P=0.500          P=0.251          P=0.240                          | 
|POLY 6             |        P=0.254          (e)              P=0.500          P=0.272          P=0.250                          | 
|LOGISTIC REGRESSION|        P=0.223          (e)              P=0.500          (e)              P=0.234                          | 
|COCH-ARM / FISHERS |        P=0.223          (e)              P=0.500          P=0.244          P=0.244                          | 
|ORDER RESTRICTED   |        P=0.125          (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Liver                                                                                                                            | 
|     Hepatodiaphragmatic Nodule                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        1/20 (5%)        3/20 (15%)       1/20 (5%)        3/20 (15%)       3/20 (15%)                       | 
|POLY-3 RATE (b)    |        1/11.27          3/12.14          1/12.14          3/12.14          3/12.14                          | 
|POLY-3 PERCENT (g) |        8.9%             24.7%            8.2%             24.7%            24.7%                            | 
|INT SACRIFICE 1 (c)|        0/10 (0%)        1/10 (10%)       1/10 (10%)       1/10 (10%)       1/10 (10%)                       | 
|TERMINAL (d)       |        1/10 (10%)       2/10 (20%)       0/10 (0%)        2/10 (20%)       2/10 (20%)                       | 
|FIRST INCIDENCE    |        183 (T)          92 (I)           92 (I)           92 (I)           92 (I)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.367          P=0.301          P=0.760          P=0.301          P=0.301                          | 
|POLY 3             |        P=0.377          P=0.321          P=0.748N         P=0.321          P=0.321                          | 
|POLY 1.5           |        P=0.373          P=0.312          P=0.754N         P=0.312          P=0.312                          | 
|POLY 6             |        P=0.381          P=0.327          P=0.744N         P=0.327          P=0.327                          | 
|LOGISTIC REGRESSION|        P=0.365          P=0.296          P=0.766N         P=0.296          P=0.296                          | 
|COCH-ARM / FISHERS |        P=0.366          P=0.302          P=0.756N         P=0.302          P=0.302                          | 
|ORDER RESTRICTED   |        P=0.284          (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 5       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Pancreas                                                                                                                         | 
|     Atrophy Focal                                                                                                               | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        2/20 (10%)       2/20 (10%)       0/20 (0%)        0/20 (0%)        3/20 (15%)                       | 
|POLY-3 RATE (b)    |        2/12.14          2/11.27          0/11.27          0/11.27          3/12.14                          | 
|POLY-3 PERCENT (g) |        16.5%            17.8%            0.0%             0.0%             24.7%                            | 
|INT SACRIFICE 1 (c)|        1/10 (10%)       0/10 (0%)        0/10 (0%)        0/10 (0%)        1/10 (10%)                       | 
|TERMINAL (d)       |        1/10 (10%)       2/10 (20%)       0/10 (0%)        0/10 (0%)        2/10 (20%)                       | 
|FIRST INCIDENCE    |        92 (I)           183 (T)          ---              ---              92 (I)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.159          P=0.699          P=0.240N         P=0.240N         P=0.500                          | 
|POLY 3             |        P=0.167          P=0.677          P=0.246N         P=0.246N         P=0.500                          | 
|POLY 1.5           |        P=0.162          P=0.686          P=0.240N         P=0.240N         P=0.500                          | 
|POLY 6             |        P=0.171          P=0.670          P=0.250N         P=0.250N         P=0.500                          | 
|LOGISTIC REGRESSION|        P=0.157          P=0.704N         P=0.234N         P=0.234N         P=0.500                          | 
|COCH-ARM / FISHERS |        P=0.159          P=0.698N         P=0.244N         P=0.244N         P=0.500                          | 
|ORDER RESTRICTED   |        P=0.174          (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Pancreas                                                                                                                         | 
|     Atrophy Focal                                                                                                               | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/20 (0%)        0/20 (0%)        0/20 (0%)        0/20 (0%)        0/20 (0%)                        | 
|POLY-3 RATE (b)    |        0/11.27          0/11.27          0/11.27          0/11.27          0/11.27                          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             0.0%                             | 
|INT SACRIFICE 1 (c)|        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 3             |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 1.5           |        (e)              (e)              (e)              (e)              (e)                              | 
|POLY 6             |        (e)              (e)              (e)              (e)              (e)                              | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        (e)              (e)              (e)              (e)              (e)                              | 
|ORDER RESTRICTED   |        (e)              (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 6       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Pituitary Gland                                                                                                                  | 
|     Cyst                                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        4/20 (20%)       1/20 (5%)        0/20 (0%)        0/20 (0%)        0/18 (0%)                        | 
|POLY-3 RATE (b)    |        4/13.02          1/11.27          0/11.27          0/11.27          0/10.14                          | 
|POLY-3 PERCENT (g) |        30.7%            8.9%             0.0%             0.0%             0.0%                             | 
|INT SACRIFICE 1 (c)|        2/10 (20%)       0/10 (0%)        0/10 (0%)        0/10 (0%)        0/9 (0%)                         | 
|TERMINAL (d)       |        2/10 (20%)       1/10 (10%)       0/10 (0%)        0/10 (0%)        0/9 (0%)                         | 
|FIRST INCIDENCE    |        92 (I)           183 (T)          ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.243N         P=0.175N         P=0.062N         P=0.062N         P=0.075N                         | 
|POLY 3             |        P=0.208N         P=0.204N         P=0.062N         P=0.062N         P=0.077N                         | 
|POLY 1.5           |        P=0.216N         P=0.188N         P=0.056N         P=0.056N         P=0.071N                         | 
|POLY 6             |        P=0.205N         P=0.216N         P=0.067N         P=0.067N         P=0.083N                         | 
|LOGISTIC REGRESSION|        P=0.240N         P=0.169N         P=0.057N         P=0.057N         P=0.070N                         | 
|COCH-ARM / FISHERS |        P=0.241N         P=0.171N         P=0.053N         P=0.053N         P=0.066N                         | 
|ORDER RESTRICTED   |        P=0.005N**       (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Pituitary Gland                                                                                                                  | 
|     Cyst                                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/19 (0%)        1/20 (5%)        1/20 (5%)        2/20 (10%)       0/20 (0%)                        | 
|POLY-3 RATE (b)    |        0/11.14          1/11.27          1/11.27          2/11.27          0/11.27                          | 
|POLY-3 PERCENT (g) |        0.0%             8.9%             8.9%             17.8%            0.0%                             | 
|INT SACRIFICE 1 (c)|        0/9 (0%)         0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|TERMINAL (d)       |        0/10 (0%)        1/10 (10%)       1/10 (10%)       2/10 (20%)       0/10 (0%)                        | 
|FIRST INCIDENCE    |        ---              183 (T)          183 (T)          183 (T)          ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.382N         P=0.500          P=0.500          P=0.234          (e)                              | 
|POLY 3             |        P=0.385N         P=0.502          P=0.502          P=0.230          (e)                              | 
|POLY 1.5           |        P=0.382N         P=0.505          P=0.505          P=0.235          (e)                              | 
|POLY 6             |        P=0.386N         P=0.500          P=0.500          P=0.228          (e)                              | 
|LOGISTIC REGRESSION|        (e)              P=0.500          P=0.500          P=0.234          (e)                              | 
|COCH-ARM / FISHERS |        P=0.379N         P=0.513          P=0.513          P=0.256          (e)                              | 
|ORDER RESTRICTED   |        P=0.360N         (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 7       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Pituitary Gland: Pars Distalis                                                                                                   | 
|     Hyperplasia Focal                                                                                                           | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/20 (0%)        0/20 (0%)        0/20 (0%)        0/20 (0%)        2/18 (11%)                       | 
|POLY-3 RATE (b)    |        0/11.27          0/11.27          0/11.27          0/11.27          2/10.14                          | 
|POLY-3 PERCENT (g) |        0.0%             0.0%             0.0%             0.0%             19.7%                            | 
|INT SACRIFICE 1 (c)|        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/9 (0%)                         | 
|TERMINAL (d)       |        0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)        2/9 (22%)                        | 
|FIRST INCIDENCE    |        ---              ---              ---              ---              183 (T)                          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.016 *        (e)              (e)              (e)              P=0.210                          | 
|POLY 3             |        P=0.013 *        (e)              (e)              (e)              P=0.203                          | 
|POLY 1.5           |        P=0.013 *        (e)              (e)              (e)              P=0.204                          | 
|POLY 6             |        P=0.013 *        (e)              (e)              (e)              P=0.202                          | 
|LOGISTIC REGRESSION|        (e)              (e)              (e)              (e)              P=0.204                          | 
|COCH-ARM / FISHERS |        P=0.016 *        (e)              (e)              (e)              P=0.218                          | 
|ORDER RESTRICTED   |        P=0.010 *        (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Pituitary Gland: Pars Distalis                                                                                                   | 
|     Hyperplasia Focal                                                                                                           | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/19 (0%)        1/20 (5%)        0/20 (0%)        0/20 (0%)        0/20 (0%)                        | 
|POLY-3 RATE (b)    |        0/11.14          1/11.27          0/11.27          0/11.27          0/11.27                          | 
|POLY-3 PERCENT (g) |        0.0%             8.9%             0.0%             0.0%             0.0%                             | 
|INT SACRIFICE 1 (c)|        0/9 (0%)         0/10 (0%)        0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|TERMINAL (d)       |        0/10 (0%)        1/10 (10%)       0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|FIRST INCIDENCE    |        ---              183 (T)          ---              ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.721N         P=0.500          (e)              (e)              (e)                              | 
|POLY 3             |        P=0.722N         P=0.502          (e)              (e)              (e)                              | 
|POLY 1.5           |        P=0.721N         P=0.505          (e)              (e)              (e)                              | 
|POLY 6             |        P=0.722N         P=0.500          (e)              (e)              (e)                              | 
|LOGISTIC REGRESSION|        (e)              P=0.500          (e)              (e)              (e)                              | 
|COCH-ARM / FISHERS |        P=0.719N         P=0.513          (e)              (e)              (e)                              | 
|ORDER RESTRICTED   |        P=0.371N         (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 8       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Preputial Gland                                                                                                                  | 
|     Inflammation Chronic                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        3/20 (15%)       3/20 (15%)       1/20 (5%)        1/20 (5%)        3/20 (15%)                       | 
|POLY-3 RATE (b)    |        3/13.02          3/13.02          1/12.14          1/12.14          3/13.89                          | 
|POLY-3 PERCENT (g) |        23.1%            23.1%            8.2%             8.2%             21.6%                            | 
|INT SACRIFICE 1 (c)|        2/10 (20%)       2/10 (20%)       1/10 (10%)       1/10 (10%)       3/10 (30%)                       | 
|TERMINAL (d)       |        1/10 (10%)       1/10 (10%)       0/10 (0%)        0/10 (0%)        0/10 (0%)                        | 
|FIRST INCIDENCE    |        92 (I)           92 (I)           92 (I)           92 (I)           92 (I)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.428          P=0.669          P=0.301N         P=0.301N         P=0.673                          | 
|POLY 3             |        P=0.489          P=0.677N         P=0.320N         P=0.320N         P=0.643N                         | 
|POLY 1.5           |        P=0.467          P=0.675          P=0.312N         P=0.312N         P=0.653N                         | 
|POLY 6             |        P=0.502          P=0.677          P=0.326N         P=0.326N         P=0.637N                         | 
|LOGISTIC REGRESSION|        P=0.427          P=0.673N         P=0.296N         P=0.296N         P=0.678N                         | 
|COCH-ARM / FISHERS |        P=0.429          P=0.669N         P=0.302N         P=0.302N         P=0.669N                         | 
|ORDER RESTRICTED   |        P=0.424N         (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Preputial Gland                                                                                                                  | 
|     Inflammation Chronic                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |                                                                                                             | 
|POLY-3 RATE (b)    |                                                                                                             | 
|POLY-3 PERCENT (g) |                                                                                                             | 
|INT SACRIFICE 1 (c)|                                                                                                             | 
|TERMINAL (d)       |                                                                                                             | 
|FIRST INCIDENCE    |                                                                                                             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |                                                                                                             | 
|POLY 3             |                                                                                                             | 
|POLY 1.5           |                                                                                                             | 
|POLY 6             |                                                                                                             | 
|LOGISTIC REGRESSION|                                                                                                             | 
|COCH-ARM / FISHERS |                                                                                                             | 
|ORDER RESTRICTED   |                                                                                                             | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 9       
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Prostate                                                                                                                         | 
|     Inflammation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        4/20 (20%)       5/20 (25%)       5/20 (25%)       6/20 (30%)       3/20 (15%)                       | 
|POLY-3 RATE (b)    |        4/12.14          5/13.02          5/13.02          6/13.02          3/12.14                          | 
|POLY-3 PERCENT (g) |        32.9%            38.4%            38.4%            46.1%            24.7%                            | 
|INT SACRIFICE 1 (c)|        1/10 (10%)       2/10 (20%)       2/10 (20%)       2/10 (20%)       1/10 (10%)                       | 
|TERMINAL (d)       |        3/10 (30%)       3/10 (30%)       3/10 (30%)       4/10 (40%)       2/10 (20%)                       | 
|FIRST INCIDENCE    |        92 (I)           92 (I)           92 (I)           92 (I)           92 (I)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.270N         P=0.500          P=0.500          P=0.357          P=0.500N                         | 
|POLY 3             |        P=0.288N         P=0.551          P=0.551          P=0.395          P=0.500N                         | 
|POLY 1.5           |        P=0.279N         P=0.532          P=0.532          P=0.379          P=0.500N                         | 
|POLY 6             |        P=0.295N         P=0.563          P=0.563          P=0.406          P=0.500N                         | 
|LOGISTIC REGRESSION|        P=0.268N         P=0.500          P=0.500          P=0.354          P=0.500N                         | 
|COCH-ARM / FISHERS |        P=0.270N         P=0.500          P=0.500          P=0.358          P=0.500N                         | 
|ORDER RESTRICTED   |        P=0.409N         (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Prostate                                                                                                                         | 
|     Inflammation                                                                                                                | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |                                                                                                             | 
|POLY-3 RATE (b)    |                                                                                                             | 
|POLY-3 PERCENT (g) |                                                                                                             | 
|INT SACRIFICE 1 (c)|                                                                                                             | 
|TERMINAL (d)       |                                                                                                             | 
|FIRST INCIDENCE    |                                                                                                             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |                                                                                                             | 
|POLY 3             |                                                                                                             | 
|POLY 1.5           |                                                                                                             | 
|POLY 6             |                                                                                                             | 
|LOGISTIC REGRESSION|                                                                                                             | 
|COCH-ARM / FISHERS |                                                                                                             | 
|ORDER RESTRICTED   |                                                                                                             | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 10      
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Thyroid Gland                                                                                                                    | 
|     Ultimobranchial Cyst                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        0/20 (0%)        2/20 (10%)       1/20 (5%)        3/20 (15%)       1/20 (5%)                        | 
|POLY-3 RATE (b)    |        0/11.27          2/12.14          1/12.14          3/13.89          1/11.27                          | 
|POLY-3 PERCENT (g) |        0.0%             16.5%            8.2%             21.6%            8.9%                             | 
|INT SACRIFICE 1 (c)|        0/10 (0%)        1/10 (10%)       1/10 (10%)       3/10 (30%)       0/10 (0%)                        | 
|TERMINAL (d)       |        0/10 (0%)        1/10 (10%)       0/10 (0%)        0/10 (0%)        1/10 (10%)                       | 
|FIRST INCIDENCE    |        ---              92 (I)           92 (I)           92 (I)           183 (T)                          | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.582N         P=0.240          P=0.500          P=0.111          P=0.500                          | 
|POLY 3             |        P=0.605N         P=0.246          P=0.515          P=0.147          P=0.500                          | 
|POLY 1.5           |        P=0.596N         P=0.240          P=0.509          P=0.132          P=0.500                          | 
|POLY 6             |        P=0.611N         P=0.250          P=0.519          P=0.158          P=0.500                          | 
|LOGISTIC REGRESSION|        P=0.583N         P=0.234          (e)              P=0.105          P=0.500                          | 
|COCH-ARM / FISHERS |        P=0.582N         P=0.244          P=0.500          P=0.115          P=0.500                          | 
|ORDER RESTRICTED   |        P=0.215          (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Thyroid Gland                                                                                                                    | 
|     Ultimobranchial Cyst                                                                                                        | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        3/20 (15%)       2/20 (10%)       2/20 (10%)       0/20 (0%)        0/20 (0%)                        | 
|POLY-3 RATE (b)    |        3/13.89          2/12.14          2/12.14          0/11.27          0/11.27                          | 
|POLY-3 PERCENT (g) |        21.6%            16.5%            16.5%            0.0%             0.0%                             | 
|INT SACRIFICE 1 (c)|        3/10 (30%)       1/10 (10%)       1/10 (10%)       0/10 (0%)        0/10 (0%)                        | 
|TERMINAL (d)       |        0/10 (0%)        1/10 (10%)       1/10 (10%)       0/10 (0%)        0/10 (0%)                        | 
|FIRST INCIDENCE    |        92 (I)           92 (I)           92 (I)           ---              ---                              | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.139N         P=0.500N         P=0.500N         P=0.111N         P=0.111N                         | 
|POLY 3             |        P=0.144N         P=0.565N         P=0.565N         P=0.147N         P=0.147N                         | 
|POLY 1.5           |        P=0.140N         P=0.542N         P=0.542N         P=0.132N         P=0.132N                         | 
|POLY 6             |        P=0.148N         P=0.579N         P=0.579N         P=0.158N         P=0.158N                         | 
|LOGISTIC REGRESSION|        P=0.137N         P=0.500N         P=0.500N         P=0.105N         P=0.105N                         | 
|COCH-ARM / FISHERS |        P=0.139N         P=0.500N         P=0.500N         P=0.115N         P=0.115N                         | 
|ORDER RESTRICTED   |        P=0.065N         (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
       Date:  10/18/04                           EXPERIMENT: 89010 TEST: 01                                            Page 11      
Statistical Analysis of Non-neoplastic Lesions in       Rats(FISCHER 344)  -       PESTICIDE/FERTILIZER CONTAMINATION--M            
                                         Terminal Sacrifice at 27 weeks                                                             
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Males                                                  | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus                                                                                                                           | 
|     Hydrometra                                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |                                                                                                             | 
|POLY-3 RATE (b)    |                                                                                                             | 
|POLY-3 PERCENT (g) |                                                                                                             | 
|INT SACRIFICE 1 (c)|                                                                                                             | 
|TERMINAL (d)       |                                                                                                             | 
|FIRST INCIDENCE    |                                                                                                             | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |                                                                                                             | 
|POLY 3             |                                                                                                             | 
|POLY 1.5           |                                                                                                             | 
|POLY 6             |                                                                                                             | 
|LOGISTIC REGRESSION|                                                                                                             | 
|COCH-ARM / FISHERS |                                                                                                             | 
|ORDER RESTRICTED   |                                                                                                             | 
|=================================================================================================================================| 
|                   |                                                                                                             | 
|                   |                                                      Females                                                | 
|Dose               |        VEHICLE          0.1X             1X               10X              100X                             | 
|                   |        CONTROL                                                                                              | 
|=================================================================================================================================| 
|                                                                                                                                 | 
|Uterus                                                                                                                           | 
|     Hydrometra                                                                                                                  | 
|                                                                                                                                 | 
|                                                                                                                                 | 
|---------------------------------------------------------------------------------------------------------------------------------| 
|LESION RATES       |                                                                                                             | 
|-----------        |                                                                                                             | 
|OVERALL (a)        |        4/20 (20%)       4/20 (20%)       6/20 (30%)       4/20 (20%)       5/20 (25%)                       | 
|POLY-3 RATE (b)    |        4/12.14          4/13.89          6/14.76          4/12.14          5/14.76                          | 
|POLY-3 PERCENT (g) |        32.9%            28.8%            40.6%            32.9%            33.9%                            | 
|INT SACRIFICE 1 (c)|        1/10 (10%)       3/10 (30%)       4/10 (40%)       1/10 (10%)       4/10 (40%)                       | 
|TERMINAL (d)       |        3/10 (30%)       1/10 (10%)       2/10 (20%)       3/10 (30%)       1/10 (10%)                       | 
|FIRST INCIDENCE    |        92 (I)           92 (I)           92 (I)           92 (I)           92 (I)                           | 
|-------------------|                                                                                                             | 
|STATISTICAL TESTS  |                                                                                                             | 
|-------------------|                                                                                                             | 
|LIFE TABLE         |        P=0.523          P=0.650          P=0.361          P=0.655          P=0.500                          | 
|POLY 3             |        P=0.604N         P=0.577N         P=0.496          P=0.666          P=0.638                          | 
|POLY 1.5           |        P=0.590          P=0.606N         P=0.444          P=0.662          P=0.590                          | 
|POLY 6             |        P=0.586N         P=0.559N         P=0.527          P=0.667          P=0.649N                         | 
|LOGISTIC REGRESSION|        P=0.523          P=0.654N         P=0.358          P=0.658N         P=0.500                          | 
|COCH-ARM / FISHERS |        P=0.523          P=0.653N         P=0.358          P=0.653N         P=0.500                          | 
|ORDER RESTRICTED   |        P=0.656          (e)              (e)              (e)              (e)                              | 
|=================================================================================================================================| 
(a)  Number of tumor-bearing animals /  number of animals examined at site.                                                         
(b)  Number of tumor-bearing animals / Poly-3 number                                                                                
(d)  Observed incidence at terminal kill.                                                                                           
(f)  Beneath the control incidence are the P-values associated with the trend                                                       
test.  Beneath the dosed group incidence are the P-values corresponding to                                                          
pairwise comparisons between the controls and that dosed group.  The life                                                           
table analysis regards tumors in animals dying prior to  terminal kill as                                                           
 being (directly or indirectly) the cause of death.                                                                                 
Logistic regression is an alternative                                                                                               
 method for analyzing the incidence of non-fatal tumors. The Cochran-Armitage                                                       
and Fishers exact tests compare directly the overall incidence rates                                                                
For all tests a negative trend is indicated by N                                                                                    
(e)  Value of Statistic cannot be computed.                                                                                         
(g)  Poly-3 adjusted lifetime tumor incidence.                                                                                      
(I)  Interim sacrifice                                                                                                              
(T)  Terminal sacrifice                                                                                                             
#   Tumor rates based on number of animals necropsied.                                                                              
*   To the right of any statistical result, indicates significance at (P<=0.05).                                                    
**  To the right of any statistical result, indicates significance at (P<=0.01).